javascript - simulate click on dynamically added element -

i want simulate click on dynamically appended element. code used not work. don't know how can move forward script. used .trigger() method on load event of window. not work.

code:

$( function() {     $.post("ajaxify.php", "name=heart", function(html) {         $("#menu ul").append("<li>"+html+"</li>");     }); }); $(window).load( function() {     $("#menu ul li").trigger("click"); }); 

when adding new 'li' elements menu, can trigger click on 1 list element:

$('<li />').text('my text here').appendto('#menu ul').trigger('click');